WO2020029358A1

WO2020029358A1 - Positioning device for automatic equipment

Info

Publication number: WO2020029358A1
Application number: PCT/CN2018/104409
Authority: WO
Inventors: 曾胜兴
Original assignee: 苏州宏奇锐自动化有限公司
Priority date: 2018-08-07
Filing date: 2018-09-06
Publication date: 2020-02-13
Also published as: CN108655989A

Abstract

A positioning device for automatic equipment, comprising a bearing platform (1). Supports (2) are symmetrically provided at the top of the bearing platform (1); a cross rod (3) is fixedly connected to the tops of the supports (2); a first step motor (4) is provided on the left side of the inner cavity of the cross rod (3); a screw lever (5) is fixedly connected to an output shaft of the first step motor (4); first air cylinders (6) are symmetrically provided at the bottom of the cross rod (3); the tops of the first air cylinders (6) are connected to the screw lever (5) by means of nuts; a pressing rod (7) is fixedly connected to the bottom of each first air cylinder (6); a positioning hole (8) is provided in the center of the bearing platform (1); a positioning collar (9) is provided outside the positioning hole (8); a positioning ring (10) is provided outside the positioning collar (9); the positioning ring (10) is rotatably connected to the bearing platform (1); second air cylinders (11) are fixedly mounted on the positioning ring (10); positioning rods (12) are fixedly connected to output ends of the second air cylinders (11).

Description

Positioning device of automation equipment

Technical field

The invention relates to a positioning device for automatic equipment, and belongs to the technical field of mechanical equipment.

Background technique

In the production of automated equipment, it is often necessary to uniformly position the workpiece to a predetermined position. A baffle is usually provided at the edge of the predetermined position to assist the positioning of the workpiece. When positioning and finishing the workpiece, the equipment needs to be stable and accurate when it is working. Fixed at the only position on the positioning device, this can ensure the normal operation of the equipment. At present, after the workpiece to be processed is placed in the processing station, tools such as a dial indicator are used to measure whether the workpiece to be processed is accurately placed in place. This method has complicated steps. Positioning takes a long time, production efficiency is low, and the cost of measuring tools is high. It is not suitable for all enterprises. It does not have generality and is not suitable for applications where the size of parts or processing positions are variable.

Summary of the invention

An object of the present invention is to provide a positioning device for an automatic device. By setting a first stepping motor and a screw rod, the first cylinder can be moved relative to or opposite to each other to compress and fix products of different sizes. When positioning the product, ensure that the center of the product and the center of the positioning rod are always on the axis of the positioning hole to ensure the uniqueness of the position. The positioning collar is used to facilitate the positioning and positioning of the product by the positioning rod. Through the second stepper motor, the product can be rotated to reach the angle required for positioning. By setting the positioning rod, products of different shapes and sizes can be positioned, while ensuring the uniqueness and certainty of the position, and convenient and reliable use. In order to solve the problems raised in the above background technology.

To achieve the above objective, the present invention provides the following technical solutions:

A positioning device for an automation device includes a supporting platform, a support is symmetrically arranged on the top of the supporting platform, a cross bar is fixedly connected to the top of the support, and a first stepping motor is provided on the left side of the inner cavity of the cross bar. A lead screw is fixedly connected to the output shaft of the first stepper motor, a first cylinder is symmetrically arranged at the bottom of the crossbar, a screw is connected to the top of the first cylinder through a nut, and a compression rod is fixed to the bottom of the first cylinder. A positioning hole is provided in the center of the bearing platform, a positioning collar is provided on the outside of the positioning hole, a positioning collar is provided on the outside of the positioning collar, and the positioning collar is rotatably connected to the bearing platform, and the positioning A second cylinder is fixedly installed on the collar, a positioning rod is fixedly connected to the output end of the second cylinder, and a second stepping motor is fixedly installed on the right side of the inner cavity of the bearing platform. A gear is provided, and an arc gear plate is fixedly connected to the bottom of the positioning collar, and the arc gear plate is meshed with the gear.

Further, the lead screw is fixedly installed in the inner cavity of the cross bar through a bearing, and the thread directions on the lead screw are opposite.

Further, the pressing rod and the movable end of the positioning rod are both provided with a pressing block, and the surface of the pressing block is provided with a non-slip texture.

Further, the mounting platform is provided with mounting holes on all four sides.

Further, an anti-shock pad is provided at the bottom end of the bearing platform.

Further, a switch is provided on the top of the crossbar, and the switch is respectively connected to the first stepping motor, the first cylinder, the second stepping motor, and the second cylinder through a wire.

The beneficial effects of the present invention are: a positioning device for an automatic device, by providing a first stepping motor and a screw rod, the first cylinder can be moved relative to or opposite to each other, compacting and fixing products of different sizes, and setting the positioning by setting Hole, when clamping and positioning the product, ensure that the center of the product and the center of the positioning rod are always on the axis of the positioning hole to ensure the uniqueness of the position. The positioning rod is provided to facilitate the positioning and positioning of the product by the positioning rod. At the same time, the product can be rotated by the second stepper motor to reach the angle required for positioning. By setting the positioning rod, products of different shapes and sizes can be positioned, while ensuring the uniqueness and certainty of the position, which is convenient and reliable to use. , Shorten the workpiece positioning time, can effectively improve production efficiency; adjustable position, suitable for multi-variety processing, strong versatility.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used to explain the present invention together with specific embodiments of the present invention, and do not constitute a limitation on the present invention.

FIG. 1 is a schematic diagram of the overall structure of a positioning device for an automatic device according to the present invention;

2 is a top view of a bearing platform of a positioning device of an automatic device according to the present invention;

3 is a cross-sectional view of a positioning device of an automatic device of the present invention;

Numbers in the figure: 1, bearing platform; 2, bracket; 3, cross bar; 4, the first stepper motor; 5, lead screw; 6, the first cylinder; 7, the compression rod; 8, positioning hole; 9, Positioning ring; 10, positioning ring; 11, second cylinder; 12, positioning rod; 13, second stepper motor; 14, gear; 15, curved gear plate; 16, bearing; 17, pressure block; 18 Shockproof pad; 19. Switch.

detailed description

The following describes preferred embodiments of the present invention with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Please refer to FIGS. 1-3, the present invention provides a technical solution:

A positioning device for an automated device includes a supporting platform 1 on which a bracket 2 is symmetrically arranged on the top, a bracket 3 is fixedly connected to the top of the bracket 2 and a first portion is provided on the left side of the inner cavity of the bracket 3 A stepping motor 4, a screw 5 is fixedly connected to the output shaft of the first stepping motor 4, a first cylinder 6 is symmetrically arranged at the bottom of the crossbar 3, and the top of the first cylinder 6 is connected to the screw 5 through a nut, The first cylinder 6 can be moved in relative or opposite directions to compress and fix products of different sizes. A compression rod 7 is fixedly connected to the bottom end of the first cylinder 6 to compress and fix the positioned product. The positioning platform 8 is provided with a positioning hole 8 at the center thereof. When the product is clamped and positioned, the center of the product and the positioning rod 12 are always maintained on the axis of the positioning hole 8 to ensure the uniqueness of the position. A positioning collar 9 is provided on the outside, and a positioning collar 10 is provided on the outside of the positioning collar 9 to facilitate positioning and positioning of the product by the positioning rod 12. The positioning collar 10 is rotatably connected to the bearing platform 1 so that The product rotates to the angle required for positioning A second cylinder 11 is fixedly installed on the positioning collar 10, and a positioning rod 12 is fixedly connected to the output end of the second cylinder 11 to enable positioning of products of different shapes and sizes. The inner cavity of the bearing platform 1 A second stepping motor 13 is fixedly installed on the right side, and a gear 14 is provided on an output shaft of the second stepping motor 13. An arc-shaped gear plate 15 is fixedly connected to the bottom of the positioning collar 10, and the arc-shaped gear plate 15 It is meshed with the gear 14.

More specifically, the lead screw 5 is fixedly installed in the inner cavity of the cross bar 3 through a bearing 16 and the thread direction of the lead screw 5 is opposite, so that the first cylinder can make relative or opposite movements to different size products Pressing and fixing, the pressing end of the pressing rod 7, the positioning rod 12 is provided with a pressing block 17, and the surface of the pressing block 17 is provided with a non-slip texture to prevent the pressing rod 7, the positioning rod 12 from colliding with the product. Positioning errors can be avoided due to sliding friction. Mounting holes are provided on all four sides of the supporting platform 1 to facilitate the mounting and fixing of the supporting platform 1. The bottom end of the supporting platform 1 is provided with an anti-vibration pad 18, which effectively reduces mechanical vibration. The effect of positioning is that a switch 19 is provided on the top of the crossbar 3, and the switch 19 is connected to the first stepper motor 4, the first cylinder 6, the second stepper motor 13 and the second cylinder 11 through wires, respectively. After positioning, the product is compressed and fixed by the pressing rod 7.

The working principle of the present invention: during use, the product is placed in the positioning collar 9 and the product is positioned by the expansion and contraction of the four positioning rods 12 so that the center of the product is consistent with the axis of the positioning hole 8 and the second step The motor 13 drives the positioning collar 10 to rotate, thereby driving the product to the desired angle, and then the first stepper motor 4 drives the first cylinder 6 to move, so that the distance between the first cylinder 6 is the same as the diameter of the product. The expansion and contraction of the compression lever 7 compresses and fixes the product.

The above is a preferred embodiment of the present invention. Those skilled in the art to which the present invention belongs can also change and modify the above embodiments. Therefore, the present invention is not limited to the specific embodiments described above. Any obvious improvement, replacement, or modification made on the basis of the protection belongs to the protection scope of the present invention.

Claims

A positioning device for an automation device, comprising a bearing platform (1), characterized in that a bracket (2) is symmetrically arranged on the top of the bearing platform (1), and a cross bar (3) is fixedly connected to the top of the bracket (2). A first stepping motor (4) is provided on the left side of the inner cavity of the crossbar (3), and a lead screw (5) is fixedly connected to the output shaft of the first stepping motor (4), and the crossbar (3) ) A first air cylinder (6) is symmetrically arranged at the bottom, the top end of the first air cylinder (6) is connected to the lead screw (5) through a nut, and the bottom end of the first air cylinder (6) is fixedly connected with a compression rod (7), A positioning hole (8) is opened in the center of the bearing platform (1), a positioning collar (9) is provided on the outside of the positioning hole (8), and a positioning collar (10) is provided on the outside of the positioning collar (9) The positioning collar (10) is rotatably connected to the bearing platform (1), a second cylinder (11) is fixedly mounted on the positioning collar (10), and the output end of the second cylinder (11) is fixed A positioning rod (12) is connected, a second stepping motor (13) is fixedly installed on the right side of the inner surface of the bearing platform (1), and a gear (14) is provided on an output shaft of the second stepping motor (13). The bottom of the positioning collar (10) is fixedly connected to the arc gear plate (15), Gear plate (15) with the gear (14) meshed connection.
The positioning device for an automatic device according to claim 1, characterized in that the lead screw (5) is fixedly installed in the inner cavity of the crossbar (3) through a bearing (16), and the lead screw (5) The threads on the upper direction are opposite.
The positioning device for an automatic device according to claim 1, characterized in that: the pressing rod (7) and the movable end of the positioning rod (12) are both provided with a pressing block (17), and the pressing block ( 17) The surface is provided with a non-slip texture.
The positioning device for an automatic device according to claim 1, characterized in that the mounting platform (1) is provided with mounting holes on all four sides.
The positioning device for an automatic device according to claim 1, characterized in that: a bottom of the bearing platform (1) is provided with an anti-vibration pad (18).
The positioning device for an automatic device according to claim 1, characterized in that: a switch (19) is provided on the top of the crossbar (3), and the switch (19) is respectively connected to a first stepping motor through a wire. (4) a first cylinder (6), a second stepping motor (13), and a second cylinder (11).